Propane or LPG (Liquid Petroleum Gas) can be used for everything from shrink wrapping to fog dispersion, the manufacture of polystyrene to graffiti cleaning. Here are some of its more common applications:
- Brazing
- Concrete curing
- Crop drying
- Cutting metal
- Electricity generation
- Fork lift truck powering
- Heating
- Lighting
- Pest control
- Soldering
Propane is an ideal gas for heating operations, providing even heating of entire workpieces or for space heating. It is an excellent choice for outdoor use in colder climates. When compared to alternative gases it retains its ability to vaporise even in cold weather. However, when used prior to welding, there is a risk of the surface becoming excessively oxidised, and water can be added to workpiece due to condensation.
In cutting, it is the oxygen jet rather than the preheat flame that performs the cutting operation. The purpose of the preheat flame is to heat the metal to the ignition temperature, sustain the cutting process, and support the cutting oxygen jet.
Propane has a higher calorific value per kilogram of gas than acetylene. It generates a lower portion of heat in the primary flame, making it perfect for cutting thick metal that is 100mm or above. Overall, propane is a versatile gas and widely used for demolition as it caters for a wide range of possible materials on-site.